Allen-Bradley 514477-01B PLC Circuit Board Card

Part number 514477-01B PLC Circuit Board Card is a multi-layer PCB that delivers logic processing, I/O control, and a communications interface for a programmable logic controller. It is used in industrial automation and machine control, with installations as plug-in or chassis-mounted depending on equipment design. Common applications include manufacturing plants, conveyor systems, packaging equipment, process industries, and automated machinery requiring reliable control and monitoring. Maintenance teams and system integrators use this board for repair, retrofit, or replacement to restore PLC operation and minimize downtime. It operates in industrial facilities and OEM equipment, supporting electronic control, signal processing, and communication. Common replacements include OEM 514477-01B, OEM 514477-01A, and OEM 514477-02B. Manufacturer: Unknown Name.